[parrot/parrot] b160d3: Update Packfile* PMC documentation

[noreply at github.com]

  Branch: refs/heads/master
  Home:   https://github.com/parrot/parrot

  Commit: b160d312d884288b8b22d0a77aca983347be83d3
      https://github.com/parrot/parrot/commit/b160d312d884288b8b22d0a77aca983347be83d3
  Author: Brian Gernhardt <brian.gernhardt at mail.rit.edu>
  Date:   2011-10-16 (Sun, 16 Oct 2011)

  Changed paths:
    M src/pmc/packfile.pmc
  M src/pmc/packfiledebug.pmc
  M src/pmc/packfileopmap.pmc

  Log Message:
  -----------
  Update Packfile* PMC documentation

Packfile:
 - Does not have a uuid_length key
 - unpack takes a string, does not return one

PackfileDebug:
 - Doesn't have two get_string_keyed_int methods

PackfileOpMap
 - Isn't a debug segment
 - Has opcode mappings, not filename mappings